
class Calculadora:
	
	def __init__(self):
		pass
		
	def suma(self,num1,num2):
		return num1+num2
		
	def resta(self,num1,num2):
		return num1-num2
		
	def division(self,num1,num2):
		if (num2==0):
			return 0
		else:
			return num1/num2
			
	def multiplicacion(self,num1,num2):
		return num1*num2
